They planted trees yesterday.(改为否定句)
They planted trees yesterday.(改为否定句)
I planted some trees last week.(改为否定句)
These trees were planted last year.变成否定句They weren't planted
they planted trees last year (改为一般疑问句)
the boys planted some trees on the hill yesterday.改为同义句 some
They played soccer yesterday afternoon.(改为否定句)
They had lunch at twelve yesterday.(改为否定句)
they had lunch at schl yesterday.(改为否定句)
They planted one h_____ trees yesterday. There are more than
将下列句子改为被动语态 we planted thousands of trees yesterday(一般过去时)
.They often sleep under trees.改为否定句
She planted some pear trees last spring.改成否定句